Kailh Midnight Pro Silent Linear is a silent linear mechanical switch from Kailh released in February 2024 with a 45 gf operating force and 1.9 mm pre-travel, 4 mm total travel, and a manufacturer rating of At least 70 million keystrokes.
Three focused profiles from published switch specifications. No overall score is generated because feel and use case are personal.
Measures actuation, travel, and force. Shorter, lighter movement favors speed. Advanced input features add capability.
Measures bump or click intensity. It uses feel type and tactile-force rise. Higher scores mean stronger feedback.
Measures published lifespan evidence. It uses documented construction details. It does not predict real-world reliability.
Kailh Midnight Pro Silent Linear
Kailh
Kaihua Electronics
Midnight Pro Series
Midnight Black / Translucent Smoky
February 20, 2024
Available
Mechanical
Silent Linear
MX
5-pin
35 ± 5 gf
45 ± 10 gf
55 ± 10 gf
1.9 ± 0.4 mm
4 ± 0.4 mm
No
No
No
No
Silent Linear
Box stem
Yes
Silent
Muted
PC
PA66
POM
Single-stage
20.00 mm
55 gf
Translucent
Factory pre-lubed on POM stem rails and spring seat
No
Yes
At least 70 M cycles
5
Yes
Yes
Yes
No
Composite gold
Editor's Note: The Kailh Midnight Pro Silent Linear provides an ultra-quiet, non-mushy keystroke tailored for high-speed typing and stealth gaming. Utilizing internal silicone buffer pads along the stem guide rails, it suppresses downstroke and upstroke contact sound to library-level silence. Actuating at 45gf with 1.9mm pre-travel and a standard 4.0mm full travel distance, its factory-lubricated POM stem guarantees fluid, consistent travel with 70 million cycles of reliable longevity.
A three-axis view of compatible-keyboard input capability, tactile profile, and published durability evidence. Missing evidence remains unavailable rather than being scored as zero.
Gaming capability, tactile intensity, and build durability (0 to 100)
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The Kailh Midnight Pro Silent Linear is a Mechanical switch from Kailh with a Silent Linear feel, so its keypress character is primarily defined by that mechanism and feedback style.
The Kailh Midnight Pro Silent Linear has an operating force of 45 gf. That sits in the common middle range for everyday typing and gaming.
The Kailh Midnight Pro Silent Linear has a pre-travel of 1.90 mm. Shorter actuation distances usually feel quicker because the key registers earlier in the press.
The Kailh Midnight Pro Silent Linear has a total travel distance of 4.00 mm. Total travel describes the full stroke from rest to bottom-out.
The Kailh Midnight Pro Silent Linear is listed as 5-pin, MX keycap compatibility is yes, and hot-swap compatibility is yes. Always match the switch pins and keyboard PCB/socket before buying.
Yes. The Kailh Midnight Pro Silent Linear is listed as factory lubed. Factory lubrication can affect out-of-box smoothness and sound, but its effect can vary with the keyboard build and keycaps.
Available sound-related specs for the Kailh Midnight Pro Silent Linear include sound profile: Muted, sound level: Silent. Case, plate, keycaps, and desk mat can still change the final keyboard sound.
The Kailh Midnight Pro Silent Linear is rated for At least 70 M cycles. Lifespan ratings are lab-cycle estimates, so real-world durability can also depend on build quality and usage.
The Kailh Midnight Pro Silent Linear lists top housing: PC, bottom housing: PA66, stem: POM, contact: Composite gold. These parts influence feel, sound, wobble, and long-term switch consistency.
Disclaimer: Specs, pricing, and benchmarks are sourced from official manufacturer data and verified test results. While we strive for precision, product details and pricing may change. Comparigon may earn an affiliate commission on qualifying purchases.